Garmin was founded in 1989 by Gary Burrell and Min Kao, beginning operations in Olathe, Kansas. The company name combines the first names of its founders (Gary and Min), reflecting the collaborative partnership that launched the company.
| Year |
Event |
Significance |
| 1989 |
Company founded |
First GPS receiver development |
| 1990 |
GPS 100 receiver |
First aviation GPS product |
| 1999 |
Forerunner 201 |
First fitness GPS watch |
| 2003 |
fēnix series |
Outdoor multisport watches |
| 2009 |
FR 405 |
First heart rate monitor watch |
| 2013 |
Vivo series |
Activity tracker expansion |
| 2017 |
Fenix 5 |
Premium multisport watch |
| 2019 |
Venu |
AMOLED display fitness watch |
| 2021 |
Epix |
Premium GPS smartwatch |
| 2023 |
Forerunner 965 |
Advanced running watch |
| 2024 |
Fenix 8 |
Next-generation multisport |
Garmin operates across multiple market segments:
- Fitness: Consumer fitness trackers and smartwatches
- Aviation: Aircraft navigation and communication systems
- Marine: Chartplotters, sonar, and fishing equipment
- Outdoor: Handheld GPS and adventure watches
- Auto/Motorcycle: Navigation and dash cameras
The fitness segment, which includes products relevant to PD research, represents approximately 40% of total company revenue and has been the fastest-growing segment in recent years.
Garmin has demonstrated consistent growth:
- 2024 Revenue: $5.6 billion (projected)
- Gross Margin: 57-58%
- R&D Investment: ~18% of revenue
- Market Cap: ~$25 billion
¶ Products and Technology
Garmin offers several product families with applications in neurological research:
Designed primarily for runners and cyclists, Forerunner watches feature:
| Feature |
Description |
PD Research Application |
| HR Sensor |
Elevate 4/5 optical HR |
Continuous HRV monitoring |
| Accelerometer |
3-axis motion sensor |
Activity monitoring |
| GPS |
Multi-GNSS positioning |
Gait analysis |
| Pulse Ox |
Blood oxygen saturation |
Sleep apnea detection |
The premium multisport line includes:
- Advanced training metrics
- TOPO mapping for outdoor activity
- Extended battery life
- Comprehensive sensor arrays
Consumer-focused fitness watches:
- AMOLED displays
- On-body detection
- Music storage options
- Contactless payment
Entry-level to mid-range activity trackers:
- Slim form factor
- Extended battery life (7-14 days)
- Basic health metrics
Garmin devices incorporate sophisticated sensor technology:
Elevate Technology
Garmin's proprietary optical heart rate sensor uses photoplethysmography (PPG) to measure blood flow through the skin. The latest Elevate 5 sensor provides:
- 24/7 continuous heart rate monitoring
- Heart rate variability (HRV) measurement
- Pulse oximetry (SpO2)
- Respiration rate estimation
The sensor array includes green (532 nm), yellow (595 nm), and infrared (860 nm) LEDs paired with photodiodes. This multi-wavelength approach improves accuracy during exercise and low-perfusion states.
Accelerometer
Most Garmin devices include 3-axis accelerometers:
- Sampling rates: 50-200 Hz depending on model
- Resolution: 16-bit
- Dynamic range: ±16g to ±32g depending on model
These sensors enable:
- Step counting
- Activity type detection
- Movement pattern analysis
- Tremor frequency analysis
Gyroscope
Used in higher-end models:
- Orientation tracking
- Rotation detection
- Enhanced movement classification
Barometric pressure sensors enable:
- Elevation tracking
- Weather forecasting
- Climb detection
In PD research, altimeter data can help detect:
- Changes in posture (sitting to standing)
- Climbing stairs (functional mobility)
- Barometric pressure effects on symptoms
- Compass: 3-axis magnetometer for direction
- Thermometer: Skin temperature (some models)
- Ambient light sensor: Display adaptation
The primary mobile and web platform provides:
- Activity tracking and analysis
- Sleep tracking with staging
- Health metrics dashboard
- Social features
- Data export capabilities
Developer platform enabling:
- Third-party app integration
- Custom watch faces
- Data fields
- Widgets
Enterprise solution for:
- Corporate wellness programs
- Clinical research
- Remote patient monitoring
¶ Data Export and APIs
Researchers can access Garmin data through:
- Garmin Connect Export: Manual CSV downloads
- Garmin Health API: Automated data access
- Garmin Device API: Direct device communication
- Third-party Platforms: Integration with research systems
Gait disturbances are among the most disabling motor symptoms of Parkinson's disease, affecting over 90% of patients[@shah2021]. Garmin devices can capture multiple gait parameters:
| Metric |
Description |
Clinical Relevance |
| Step Count |
Daily total |
Activity level indicator |
| Step Length |
Calculated from stride timing |
Gait quality measure |
| Cadence |
Steps per minute |
Movement efficiency |
| Ground Contact Time |
Stance phase duration |
Gait quality |
| Vertical Oscillation |
Bounce during walking |
Gait symmetry |
Studies have demonstrated:
- Gait Impairment Detection: Reduced step length and cadence correlate with UPDRS motor scores
- Freezing of Gait Prediction: Accelerometer patterns may predict freezing episodes before they occur
- Fall Risk Assessment: Gait variability predicts fall risk in PD patients[@friedman2017]
- Treatment Response: Levodopa and other medications may improve gait parameters
A 2021 study found that Garmin device-derived gait metrics could distinguish PD patients from healthy controls with 82% sensitivity and 78% specificity[@shah2021].
- Wrist-worn devices are less accurate than foot-based sensors
- GPS-based distance measurement has limited indoor accuracy
- Proprietary algorithms may vary between models
- Skin tone affects PPG accuracy (darker skin shows reduced signal)
- Device placement affects accelerometer data quality
- Artifact from non-PD movements requires filtering
- Missing data during charging periods
¶ Privacy and Data Handling
- Data stored on Garmin servers with user consent controls
- Research data sharing requires IRB approval
- GDPR and HIPAA considerations for clinical use
- De-identification procedures for research
¶ Competitive Landscape
Apple Watch
- Advanced accelerometer (16g range, 100Hz)
- Apple Heart Study demonstrated clinical-grade ECG
- Largest consumer wearable installed base
- ResearchKit platform for clinical studies
Fitbit (Google)
- Alta, Charge, Inspire, and Versa product lines
- Validated sleep tracking algorithms
- Large consumer base with diverse demographics
- Fitbit API for researcher access
Samsung Galaxy Watch
- BioActive sensor with ECG and BIA
- FDA-cleared ECG in certain models
- Samsung Health platform integration
RCORE Accelerometer
- Medical device classification
- Higher precision (±2g range)
- 1000Hz sampling capability
- Research standard for gait analysis
Axivity AX6
- 6-axis IMU with magnetometer
- Medical research grade
- Long-term wear (14+ days)
- Commercial research use
Garmin occupies a unique position as consumer-grade devices with sufficient sensor quality for research applications, at a price point enabling large-scale studies.
Garmin represents an important component in the Parkinson's disease digital health ecosystem for several reasons:
- Scalability - Large consumer base enables rapid enrollment in research studies
- Affordability - Lower cost than medical-grade devices for large cohorts
- Continuous Monitoring - Real-world data collection outside clinical settings
- Battery Life - Extended operation enables longitudinal studies
- Cross-Platform - Works with iOS and Android for diverse populations
The company's ongoing investment in sensor technology, particularly HRV analysis and sleep tracking, positions Garmin devices as increasingly relevant for neurodegenerative disease research as digital biomarkers gain acceptance in clinical practice.